Home / 39,754.94-54,861.57-21,849.53

Finding the Fourth Proportional to 39,754.94, 54,861.57 and 21,849.53

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Solution

The fourth proportional to 39,754.94, 54,861.57 and 21,849.53 is: 30,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,754.94 : 54,861.57 = 21,849.53 : x
  2. Step 2: Convert to fraction form
    39,754.94/54,861.57 = 21,849.53/x
  3. Step 3: Cross multiply
    39,754.94x = 54,861.57 × 21,849.53
  4. Step 4: Simplify right side
    39,754.94x = 1,198,699,245.25
  5. Step 5: Solve for x
    x = 1,198,699,245.25/39,754.94
  6. Step 6: Final answer
    x = 30,152.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.